98669 has 2 divisors, whose sum is σ = 98670. Its totient is φ = 98668.

The previous prime is 98663. The next prime is 98689. The reversal of 98669 is 96689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56644 + 42025 = 238^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 98669 - 2¹² = 94573 is a prime.

It is a super-2 number, since 2×98669² = 19471143122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49334 + 49335.

It is an arithmetic number, because the mean of its divisors is an integer number (49335).

2⁹⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

98669 is a deficient number, since it is larger than the sum of its proper divisors (1).

98669 is an equidigital number, since it uses as much as digits as its factorization.

98669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 98669 is about 314.1162205299. The cubic root of 98669 is about 46.2090360442.

It can be divided in two parts, 98 and 669, that added together give a palindrome (767).

The spelling of 98669 in words is "ninety-eight thousand, six hundred sixty-nine".